Is Thompson water Seal good for pressure treated wood?

Some, like Thompson's^® WaterSeal^® Waterproofing Wood Protector, recommend waiting 30 days before application on new pressure treated lumber. Other products, like Thompson's^® WaterSeal^® Waterproofing Stain, can be applied immediately to new pressure treated lumber.

What is the best sealer for pressure treated wood?

Best Sealant for Pressure-treated Wood

• Ready Seal 515 5-Gallon – (Best waterproofing for pressure-treated wood)
• #1 Deck Premium Semi-Transparent – (Best water sealer for decks)
• Minwax 630510444 – (Best clear deck sealer for pressure treated wood)
• Cabot 140.0017437.007 – (Best oil sealer for treated wood deck)

Can pressure treated wood be water sealed?

No, pressure-treated wood isn't waterproof. The chemical preservatives present in the wood can't protect it from decay. That means pressure-treated wood can absorb moisture and rot over time. However, you can waterproof and seal pressure-treated wood to protect it against water damage.

Will Thompson water seal protect untreated wood?

Yes. Although pressure-treated lumber is pre-treated with chemicals, preventing insect damage, it is NOT waterproofed. In fact, the chemical treatment actually causes the lumber to dry out quicker and absorb more water than untreated lumber. When wood absorbs water, it swells; as the wood dries it shrinks.

How many years does Thompson's water seal last?

How Long Does Thompson's WaterSeal Last? Thompson's WaterSeal Waterproofer Plus Clear Wood Protector claims to last for up to 4 years when applied correctly.

Caring for Pressure Treated Lumber Decks | Thompson's WaterSeal

What's better than Thompson's Water Seal?

According to them, these are the nine most effective wood sealers:

• Thompson's Water Seal. ...
• Rainguard Premium Wood Sealer. ...
• DEFY Crystal Clear Sealer. ...
• Anchorseal 2. ...
• Roxil Wood Protection Cream. ...
• Eco-Advance Exterior Wood Waterproofer. ...
• Ready Seal Stain and Sealer for Wood. ...
• Pure Tung Oil Natural Wood Sealer.

Does Thompson Water Seal need two coats?

Thompson's WaterSeal products typically need only one application, but you can apply a second coat of stain to darken the wood, if desired. However, you must wait for the first coat to dry (typically about 2 hours) and apply the second coat within 4 hours of applying the first coat.

How long should you wait to water seal pressure treated wood?

The chemicals used to treat the wood leave moisture behind, and depending on the climate, it can take anywhere from a few weeks to a few months until it's dry enough to seal.

How do you keep pressure treated wood looking new?

ULTRAVIOLET PROTECTION

If you're looking to maintain the original color of pressure-treated wood longer, you will need to not only clean your deck periodically, but also apply a water-repellent finish with an ultraviolet stabilizer. The stabilizer will not prevent eventual discoloration, but will slow the process.

Should pressure treated wood be stained or sealed?

A: Some owners of pressure-treated structures assume the wood needs no protective treatment, and this view at one time was encouraged by manufacturers of the wood. However, most pressure-treated wood should have periodic sealing against moisture, preferably every year or so.

How do you waterproof treated lumber?

There are three surefire ways to waterproof your wood for years to come.

1. Use linseed or Tung oil to create a beautiful and protective hand-rubbed finish.
2. Seal the wood with coating of polyurethane, varnish, or lacquer.
3. Finish and waterproof wood simultaneously with a stain-sealant combo.

What happens if you don't seal pressure treated wood?

This pattern of swelling and shrinking can cause damage to the wood such as splits, checks, splinters, cracks, and other blemishes. Protection from UV rays is also necessary for insurance against fading, discoloration, and warping.

Should I treat pressure treated wood?

However, even pressure treated wood may need protection as it is not waterproof; a weather-proofing top coat or base layer preservative is recommended every 12 months to fully protect timber through the winter months. However, it may not be best to treat pressure-treated timber straight away, as this needs to weather.

What do you use to seal treated wood?

Best Deck Sealers for Pressure-treated Wood

1. Ready Seal 520 Exterior Stain and Sealer for Wood. ...
2. SEAL-ONCE Nano+Poly Ready Mix Penetrating Wood Sealer. ...
3. #1 Deck Premium Semi-Transparent Wood Stain for Decks. ...
4. Thompsons Waterseal Solid Waterproofing Stain. ...
5. Eco Advance Wood Siloxane Waterproofer Concentrate.

What is best waterproofing for wood decks?

Here are some of the best deck sealers on the market:

• Thompsons Waterseal Advanced Natural Wood Protector.
• ECO-SAFE Wood Treatment – Stain & Preservation by Tall Earth.
• Rust-Oleum Coppercoat Wood Preservative.
• CabotStain Australian Timber Oil Penetrating Oil.
• Thompsons Waterseal – Transparent Stain.

Should pressure treated wood be Pressurewashed?

Decks made from South American hardwoods, such as ipe, cumaru, and tigerwood, will hold up to a power wash just fine. Those made of pressure-treated wood—typically Southern yellow pine, a soft wood— are generally okay, too, assuming you don't hold the nozzle too close.

How long should pressure-treated lumber last?

How Long Does Pressure-Treated Wood Last? It depends on the climate, the type of wood, its uses, and how well it's maintained. While pressure treated poles can stay up to 40 years without any signs of rot or decay, decks and flooring might only last around 10 years.

When should I apply Thompson's water seal?

Once wood surface has been cleaned, wait 3 hours before applying Thompson's ^® WaterSeal ^® Clear Multi-Surface Waterproofer.

Is Thompsons oil or water based?

Thompson's^® WaterSeal^® Penetrating Timber Oil is an oil-based product that provides protection by penetrating into wood pores and sealing out water infiltration. Thompson's^® WaterSeal^® Waterproofing Stains are water-based products that have film-forming properties to protect the wood by repelling water.

How long does Thompson WaterSeal take to dry?

Drying. Allow at least 48 hours to dry; however drying time will vary depending on the substrate, temperature, and humidity. Allow minimum of 30 days drying time before applying oil based paint over Thompson's® WaterSeal® Waterproofing Wood Sealer – Clear.

Does Thompson Water Seal peel?

Thompson's WaterSeal has clearly not been a consumer favorite with deck stains or sealers. Mainly as it does not offer any UV protection and it grays in a few months. The Transparent and Semi-Transparent versions are prone to premature peeling and wearing after about 1 year.

What is the best way to apply Thompson's water seal?

The fastest way to apply is with a pump-up sprayer (using a coarse setting), but you can also apply with a brush or a roller. You should apply liberally. In the case of areas with heavy discoloration or dirt, apply a second coat, brush lightly with a broom and hose off.

How many coats of Thompson Water Seal should I put on?

Apply 2 coats using brush,roller or sprayer. note: Use at full strength.do not dilute. The second coat should be applied when the first coat has soaked in the surface. For best results do not leave the first coat to dry for more than 1 hour before applying the second coat.

Is Thompson water seal better than Olympic Waterguard?

Thompson WaterSeal clear coat received a score of 12 out of 100 in Consumer Report's test of 28 clear decking finishes. Olympic Waterguard scored a 5 out of 100. You can expect WaterSeal to perform slightly better than Olympic Waterguard, so it is appropriate to say that WaterSeal is the superior product.